Topics: Grammar & Vocabulary
They encouraged citizens to sort waste into categories, ______ improves recycling efficiency.
A. what
B. that
C. how
D. which
Select your answer:

Random Topics:
Grammar : Must (Necessity)Main Idea and Sentence StructureAdverb & Compound SentencesConjunctive Adverbs and PunctuationGerunds and InfitinitivesGrammar Double Object VerbsModals Posibility and ProbabilityZero Conditional SentenceIrregular AdjectivesPast Simple (to be)Other quiz:
Tenses › ViewKareem ……………….. almost $10,000 by next year.
A. had saved
B. will have saved
C. will save
D. has saved
Mixed General Quiz › View
The Brazilian passion ___ soccer is undeniable.
a.of
b. for
c. to
d. on
